Fix gamma correction for colored glyphs in `iced_wgpu`

1 files changed, 13 insertions, 1 deletions

diff --git a/tiny_skia/src/text.rs b/tiny_skia/src/text.rs
index d1b33293..70e95d01 100644
--- a/tiny_skia/src/text.rs
+++ b/tiny_skia/src/text.rs
@@ -1,6 +1,7 @@
 use crate::core::alignment;
 use crate::core::text::{LineHeight, Shaping};
 use crate::core::{Color, Font, Pixels, Point, Rectangle};
+use crate::graphics::color;
 use crate::graphics::text::cache::{self, Cache};
 use crate::graphics::text::editor;
 use crate::graphics::text::font_system;
@@ -216,7 +217,18 @@ fn draw(
 fn from_color(color: cosmic_text::Color) -> Color {
     let [r, g, b, a] = color.as_rgba();
 
-    Color::from_rgba8(r, g, b, a as f32 / 255.0)
+    if color::GAMMA_CORRECTION {
+        // `cosmic_text::Color` is linear RGB in this case, so we
+        // need to convert back to sRGB
+        Color::from_linear_rgba(
+            r as f32 / 255.0,
+            g as f32 / 255.0,
+            b as f32 / 255.0,
+            a as f32 / 255.0,
+        )
+    } else {
+        Color::from_rgba8(r, g, b, a as f32 / 255.0)
+    }
 }
 
 #[derive(Debug, Clone, Default)]